US 12,390,609 B2
Interface comprising a nasal sealing portion
Peter David Alexander Bearne, Auckland (NZ); Roheet Patel, Auckland (NZ); Kirstin Elizabeth Middelkoop, Auckland (NZ); Michael John Henri Cox, Auckland (NZ); Fadi Mashal, Auckland (NZ); Gregory James Olsen, Auckland (NZ); Isaac Tristram Tane Mason, Auckland (NZ); and Matthew Roger Stephenson, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Nov. 18, 2022, as Appl. No. 18/057,096.
Application 18/057,096 is a continuation of application No. 16/789,308, filed on Feb. 12, 2020, granted, now 11,559,647.
Application 16/789,308 is a continuation of application No. 14/354,550, granted, now 10,603,456, issued on Mar. 31, 2020, previously published as PCT/NZ2012/000199, filed on Oct. 31, 2012.
Application 14/354,550 is a continuation in part of application No. 14/111,739, granted, now 10,220,171, issued on Mar. 5, 2019, previously published as PCT/IB2012/000858, filed on Apr. 13, 2012.
Claims priority of provisional application 61/553,872, filed on Oct. 31, 2011.
Claims priority of provisional application 61/715,214, filed on Oct. 17, 2012.
Claims priority of provisional application 61/476,188, filed on Apr. 15, 2011.
Claims priority of provisional application 61/504,295, filed on Jul. 4, 2011.
Claims priority of provisional application 61/553,067, filed on Oct. 28, 2011.
Prior Publication US 2023/0173211 A1, Jun. 8, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/00 (2006.01); A61M 16/06 (2006.01); A61M 16/08 (2006.01); A61M 16/20 (2006.01)
CPC A61M 16/0616 (2014.02) [A61M 16/0611 (2014.02); A61M 16/0666 (2013.01); A61M 16/0683 (2013.01); A61M 16/0825 (2014.02); A61M 16/208 (2013.01); A61M 2210/0618 (2013.01); A61M 2210/0625 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A mask assembly for use in providing positive pressure respiratory therapy, the mask assembly comprising:
a mask base comprising an inlet opening and a rear peripheral region,
a mask seal comprising:
a front peripheral region configured to be secured to the rear peripheral region of the mask base;
a lip configured to seal against an upper lip region, the lip encircling an oral opening;
an upper portion of the mask seal comprising support regions and a flexing region, the support regions being more rigid than the flexing region;
a flexing chin region positioned between lower corner reinforcements, the lower corner reinforcements extending from lower corners of the mask seal and inwardly toward the flexing chin region, wherein the lower corner reinforcements are more rigid than the flexing chin region; and
a first paddle and a second paddle, the first paddle and the second paddle extend generally upward from an upper surface of the mask seal and configured to extend along lateral sides of the nose, in use, the first paddle and the second paddle together with the upper surface defining a valley for accommodating a nose such that the upper surface underlies the nose, the upper surface comprising at least one nasal opening and configured to seal against a lower portion of the nose of the user, in use and around the at least one nasal opening.